Handout photo taken from Twitter account @chrismichel with permission of photographer of a people in a balloon basket near the launch site near Luxor in Egypt, prior to a hot air balloon explosion which killed 19 tourists including a number of Britons.Witnesses described hearing a loud explosion before seeing plumes of smoke as the balloon caught fire and plunged into a sugar cane field west of Luxor, which is 320 miles (510km) south of the capital Cairo. The casualties are believed to include British and French tourists, as well as other nationalities, a security official in the country said. Christopher Michel/PA Wire